[Users] BYE method accompanied by error

[Brandon Price]

I find that I am having the same error, although with me it only  
happens when the sip client is natted and the bye comes from the pstn  
end. Sample tethereal capture below. I can only assume this has  
something to do with the nat module which I am currently not using  
yet but plan to try again to implement today.

48.022862 216.120.255.29 -> 8.11.1.7     SIP/SDP Request: INVITE sip: 
15187278584 at ser1.manhattan.vtnoc.net, with session description
48.026850     8.11.1.7 -> 216.120.255.29 SIP Status: 100 trying --  
your call is important to us
48.027059     8.11.1.7 -> oursippproxy.net  SIP/SDP Request: INVITE  
sip:+15187278584 at oursippproxy.net, with session description
48.096933  oursippproxy.net -> 8.11.1.7     SIP Status: 100 Trying
49.299563  oursippproxy.net -> 8.11.1.7     SIP/SDP Status: 183  
Session Progress, with session description
49.300461     8.11.1.7 -> 216.120.255.29 SIP/SDP Status: 183 Session  
Progress, with session description
56.407921  oursippproxy.net -> 8.11.1.7     SIP/SDP Status: 200 OK,  
with session description
56.409252     8.11.1.7 -> 216.120.255.29 SIP/SDP Status: 200 OK, with  
session description
56.428281 216.120.255.29 -> 8.11.1.7     SIP Request: ACK  
sip:oursippproxy.net:5060;transport=udp
56.464595     8.11.1.7 -> oursippproxy.net  SIP Request: ACK  
sip:oursippproxy.net:5060;transport=udp
61.956533  oursippproxy.net -> 8.11.1.7     SIP Request: BYE sip: 
15184782411 at 216.120.255.29:5060
61.957965     8.11.1.7 -> 216.120.255.29 SIP Request: BYE sip: 
15184782411 at 216.120.255.29:5060
61.987385 216.120.255.29 -> 8.11.1.7     SIP Status: 481 Call Leg/ 
Transaction Does Not Exist
62.017630     8.11.1.7 -> oursippproxy.net  SIP Status: 481 Call Leg/ 
Transaction Does Not Exist

On Oct 11, 2005, at 7:35 AM, Iqbal wrote:

> Can you check to see if you have already received a BYE for that  
> call, some phones I had were sending there own Bye's after the GW had
>
> Iqbal
>
> Sam Lee wrote:
>
>
>> Hi all,
>>  I would like to know why does my BYE method are always replied  
>> with a 'Call Leg/Transaction does not exist' . How do they compare  
>> whether the transaction in the BYE method exist or not ? ( tag?  
>> ftag ? ) Are there any thing in the config that might cause this  
>> kind of problem ? Just want to highlight that all the calls are  
>> made in a good condition, everything except when the call is ending.
>>
>> Please let me know if you dont understand.
>>  Regards,
>> Sam
>>
>> --------------------------------------------------------------------- 
>> ---
>>
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>>
>
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